Surface meteorological instrumentation for BOBMEX |
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| Authors: | G S Bhat S Ameenulla |
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| Institution: | (1) Centre for Atmospheric and Ocean Sciences, Indian Institute of Science, 560 012 Bangalore, India |
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| Abstract: | Although India has a long experience in ship-borne experiments and oceanographic instrumentation, the atmospheric component
has not received much attention in the past. In this paper, the basis of the atmospheric instrumentation system assembled
for use on board ORV Sagar Kanya for the BOBMEX-Pilot experiment is described along with some representative results. Wherever
possible, Woods Hole's IMET recommendations for meteorological sensors for applications in the marine environment have been
followed to keep our measurements in par with international standards. The sensors were tested during the BOBMEX-Pilot experiment
and all sensors worked well. Velocity, humidity and temperature data have been successfully collected using fast sensors.
It is shown that the component due to the ship's pitching motion can be removed from the measured vertical velocity by making
use of an accelerometer. This makes it possible to calculate the surface fluxes by direct methods. |
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| Keywords: | Meteorological instrument air-sea flux |
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